Greg needs to practice his clarinet for 40 minutes per day. He already practiced 30% of the total time needed. How many more minutes does he need to practice?

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?